Home / 903,753,785.33-1,247,111,778.73-507,200,187.51

Finding the Fourth Proportional to 903,753,785.33, 1,247,111,778.73 and 507,200,187.51

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Solution

The fourth proportional to 903,753,785.33, 1,247,111,778.73 and 507,200,187.51 is: 699,897,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,753,785.33 : 1,247,111,778.73 = 507,200,187.51 : x
  2. Step 2: Convert to fraction form
    903,753,785.33/1,247,111,778.73 = 507,200,187.51/x
  3. Step 3: Cross multiply
    903,753,785.33x = 1,247,111,778.73 × 507,200,187.51
  4. Step 4: Simplify right side
    903,753,785.33x = 632,535,328,015,249,536
  5. Step 5: Solve for x
    x = 632,535,328,015,249,536/903,753,785.33
  6. Step 6: Final answer
    x = 699,897,846.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.